Troubleshooting: Operational Problems

Trouble

Ripples in sanded surface.

(Non-uniformly spaced ripples).

Ripples in sanded surface.

(Uniformly spaced ripples).

Sniping of wood (gouging near end of board).

Burning of wood.

Probable Cause

Remedy

 

 

Uneven feed rate.

Check for these conditions and refer

 

to previous Troubleshooting sections:

 

Conveyor belt slips on drive roller.

 

Board slips on conveyor belt.

 

Conveyor gear motor stalls.

 

Excessive v-belt tension.

 

Set screw loose on shaft coupler

 

between gear motor and conveyor.

 

Conveyor bushings worn – replace.

 

Conveyor bushings dry – lubricate.

 

 

Excessive feed rate.

Reduce depth of cut and/or feed rate.

 

 

Excessive depth of cut.

Reduce depth of cut and/or feed rate.

 

 

 

Check for these conditions:

 

Loose bolts, or loose bearing and

 

pulley set screws – re-tighten.

 

Dirty drum – clean inside.

 

Excessive v-belt tension – reduce

Sander vibration.

tension.

 

Worn v-belt – replace.

 

Warped drive pulley – replace.

 

Drum out of balance – contact your

 

dealer or WMH authorized service

 

center.

 

 

Tension rollers set too low.

Re-set tension rollers; see page 21.

 

 

Stock not supported properly during

Support stock with roller stand, tables

infeed or outfeed.

or benches.

 

 

Conveyor drive roller or driven roller

Re-adjust roller(s).

higher than conveyor belt surface.

 

 

 

Feed rate too slow.

Increase feed rate.

 

 

Excessive depth of cut for grit used.

Reduce depth of cut or increase grit

coarseness.

 

 

 

Excess build-up on abrasive strips.

Reduce depth of cut; clean strips or

replace; angle stock when feeding.

 

 

 

Abrasive is too fine.

Replace with abrasive of coarser grit.

 

 

Abrasive strips are overlapped.

Rewrap strip without overlap. See

pages 12 and 13.

 

 

 

Drum out of alignment.

Re-align drum. See pages 17-19.

 

 

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Jet Tools 22-44 Pro operating instructions Troubleshooting Operational Problems
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22-44 Pro specifications

The Jet Tools 22-44 Pro drum sander stands out as one of the leading machines in the woodworking industry, known for its exceptional performance and durability. Aimed at both professional woodworkers and serious hobbyists, this tool boasts a range of features that enhance efficiency and precision, making it a valuable addition to any workshop.

One of the primary features of the Jet 22-44 Pro is its powerful 1.75 HP motor. This motor ensures consistent and reliable operation, allowing users to tackle a variety of sanding tasks with ease. The machine operates at 1,800 RPM, providing quick and efficient material removal. The adjustable table height allows for a maximum sanding width of 22 inches, accommodating larger workpieces for versatility in projects.

In terms of technology, the Jet 22-44 Pro employs a unique, patented drum design that ensures even sanding across the entire surface. This design minimizes the risk of snipe, a common problem in sanders that can result in uneven finish on workpieces. The 44-inch long sanding drum provides ample surface area, which aids in achieving a flawless finish without the need for excessive passes.

The tool features an adjustable infeed and outfeed table, ensuring optimal material support and stability during sanding operations. This feature is particularly beneficial for larger boards, as it prevents warping and allows for more accurate sanding. Additionally, the integrated dust collection system enhances cleanliness by efficiently capturing dust and debris, promoting a healthier working environment.

The Jet 22-44 Pro is equipped with a micro-adjustable sanding drum, allowing users to make precise depth adjustments for different applications. This functionality makes it easy to switch between various grits without sacrificing accuracy. Furthermore, the machine’s sturdy construction and robust frame reduce vibration during operation, contributing to improved accuracy and reduced fatigue during prolonged use.

The user-friendly design of the Jet 22-44 Pro also includes safety features such as an emergency stop button and integrated overload protection. This ensures that the machine can be operated safely, with features in place to prevent damage to both the tool and the user.

In summary, the Jet Tools 22-44 Pro drum sander combines power, versatility, and advanced technology to deliver an outstanding finishing tool for woodworkers. Its robust motor, unique drum design, and user-friendly features make it a top choice for anyone looking to enhance their woodworking capabilities.
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